Left-handed people make up roughly around 10 per cent of the Earth's population.

Aside from that mind-blowing statistic, it seems that lefties get a rough deal. Everything seems to be designed for right-handed people - from utensils to appliances.

We love you, though, lefties. The world wouldn't be the same without you. To celebrate your special day, we have compiled a list of facts that are bound to shock you.

Have a great left-handed day, guys.

1. Higher risk of insomnia, psychosis and alcoholism

Lefties are more prone to have allergies and migraines, but startling research suggests that they are also more likely to become alcoholics. The right side of the brain has a lower tolerance to alcohol, you see.

Also, Yale University researches concluded that around 40 per cent of schizophrenic patients were left-handed, with theories suggesting that brain laterality plays a role.

2. You will live less if you are left-handed

According to a study lefties live around nine years less than their right-handed counterparts. Unlucky.

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Lefties may be under-represented in the human species, but our furry friends in the animal kingdom are more than making up for it.

Around 50 per cent of cats are left-handed, according to research.

4. Dark connotations of lefties date back to biblical times

The right hand is mentioned positively 100 times in the Bible, while the left hand is mentioned only 25 times and each occurrence has negative connotations.

Many artistic depictions of the Devil suggest that he is left-handed, too.

5. But, you will be more creative!

Southpaws are better at multi-tasking and make especially good sportsmen (Rafael Nadal, anybody?). But, lefties also tend to be drawn to careers in the arts, music and culture fields.

They are also better at 3D perception and thought processing.

Tests conducted by New York researches found that there were more left-handed people with IQs over 140 than right-handed people. Famous left-handed intellectuals include Albert Einstein, Isaac Newton, Charles Darwin, and Benjamin Franklin.